NL220145A - - Google Patents
Info
- Publication number
- NL220145A NL220145A NL220145DA NL220145A NL 220145 A NL220145 A NL 220145A NL 220145D A NL220145D A NL 220145DA NL 220145 A NL220145 A NL 220145A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic Arrangements (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEN12667A DE1067865B (de) | 1956-08-31 | 1956-08-31 | Stereophonische Schallaufnahmeeinrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL220145A true NL220145A (xx) |
Family
ID=7339616
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL106407D NL106407C (xx) | 1956-08-31 | ||
| NL220145D NL220145A (xx) | 1956-08-31 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL106407D NL106407C (xx) | 1956-08-31 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3070658A (xx) |
| DE (1) | DE1067865B (xx) |
| FR (1) | FR1181800A (xx) |
| GB (1) | GB866201A (xx) |
| NL (2) | NL220145A (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1572093A (en) * | 1976-03-16 | 1980-07-23 | Wehner R | Omniphonic transducer system |
| JPS5957596A (ja) * | 1982-09-27 | 1984-04-03 | Sony Corp | マイクロホン装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB394325A (en) * | 1931-12-14 | 1933-06-14 | Alan Dower Blumlein | Improvements in and relating to sound-transmission, sound-recording and sound-reproducing systems |
| FR747504A (xx) * | 1931-12-14 | 1933-06-16 | ||
| US2520798A (en) * | 1940-11-27 | 1950-08-29 | Hartford Nat Bank & Trust Co | Device for the stereophonic transmission of sound |
| NL69032C (xx) * | 1943-05-17 | |||
| US2791628A (en) * | 1953-06-22 | 1957-05-07 | William R Edmondson | Sound device |
-
0
- NL NL106407D patent/NL106407C/xx active
- NL NL220145D patent/NL220145A/xx unknown
-
1956
- 1956-08-31 DE DEN12667A patent/DE1067865B/de active Pending
-
1957
- 1957-07-30 US US675068A patent/US3070658A/en not_active Expired - Lifetime
- 1957-08-28 GB GB27120/57A patent/GB866201A/en not_active Expired
- 1957-08-29 FR FR1181800D patent/FR1181800A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3070658A (en) | 1962-12-25 |
| GB866201A (en) | 1961-04-26 |
| FR1181800A (fr) | 1959-06-18 |
| NL106407C (xx) | 1963-10-02 |
| DE1067865B (de) | 1959-10-29 |